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21 de jul. de 2022 · The Gálvez-Davison Index (GDI) The GDI (preliminary PDF), is a thermodynamic index developed by the WPC International Desks in 2014, to improve the forecasts of tropical convection, particularly in trade wind regimes. It is a diagnostic tool that considers low and mid-tropospheric moisture, but emphasizes (1) the stabilizing effects ...
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21 de fev. de 2024 · The Enhanced Galvez-Davison Index (EGDI) is very similar to the GDI, and diagnoses the potential for convection and rainfall amounts. These loops include the low- (1000-850hPa) and upper-tropospheric (400-200hPa) flow and upper divergence (400-200hPa), to evaluate weather systems and regions with dynamics favorable for ascent.
12 de mai. de 2022 · Gálvez-Davison Index External Links: Training History Curriculum Training Material WMO Competencies Guides for Fellows ... Distinguished Visits: Contact Us About Our Site About Our Products : GDI-GFS Loops Using Flash Current experimental forecasts using GFS data 00Z: 06Z: 12Z: 18Z: 1. North America : 1.1. Southern and eastern US
12 de mai. de 2022 · (1) E-GDI (shaded): The Enhanced Galvez-Davison Index (EGDI) is an improved version of the Galvez-Davison Index (GDI) developed to improve the performance of the GDI, especially in the deep tropics. As the GDI, it evaluates the environment's potential to sustain different types of tropical convection.The enhancement consists of minor ...
2 de jul. de 2014 · The GDI is a stability index that performs best on the tropics and subtropics. It works best in trade wind regimes, and regions downwind such as eastern continents in tropical and subtropical latitudes. The GDI considers only moisture and temperatures at four levels.
21 de out. de 2016 · The Gálvez-Davison Index (GDI) is developed to improve the prediction of tropical convection, due to the limited skill of traditional stability indices when used in the tropics, particularly in the Caribbean. The GDI considers thermodynamic properties of the low and mid troposphere.
12 de mai. de 2022 · Operational forecasting loops developed at the WPC International Desks, to aid with the forecasting of quantitative precipitation, severe convection, surface fronts, and other impactful types of weather. 2.The Gálvez-Davison Index (GDI) - Access. Thermodynamic index developed in 2014 to improve the forecasting of different types of ...
10 de set. de 2015 · The Gálvez-Davison Index (GDI) is a stability index developed to improve the prediction of thunderstorms and shallower types of moist convection in the tropics. The motivation was the need of a skillful index to forecast convection, particularly in the tropical Caribbean, where
Note that this Wingridds version also contains the Galvez-Davison Index (GDI) calculation algorithm installed. You can plot the GDI using the "GDIH.CMD" macro, or by typing the command "CTFC CFCB GDIF".
